High severity8.8NVD Advisory· Published Apr 23, 2021· Updated Jun 17, 2026
CVE-2021-20084
CVE-2021-20084
Description
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.
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Affected products
2- jquery-sparkle/jquery-sparkledescription
- Range: = 1.5.2-beta
Patches
Vulnerability mechanics
References
1- github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-sparkle.mdnvdExploitThird Party Advisory
News mentions
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